Home / 438,257.08-657,088.98-171,851.32

Finding the Fourth Proportional to 438,257.08, 657,088.98 and 171,851.32

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Solution

The fourth proportional to 438,257.08, 657,088.98 and 171,851.32 is: 257,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,257.08 : 657,088.98 = 171,851.32 : x
  2. Step 2: Convert to fraction form
    438,257.08/657,088.98 = 171,851.32/x
  3. Step 3: Cross multiply
    438,257.08x = 657,088.98 × 171,851.32
  4. Step 4: Simplify right side
    438,257.08x = 112,921,608,570.45
  5. Step 5: Solve for x
    x = 112,921,608,570.45/438,257.08
  6. Step 6: Final answer
    x = 257,660.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.